package demo01;

public class feng7guo {
	public static void main(String[] args) {
		int i=1;
		while(i<100)
		{
			if(i==7 || i%7==0 || i%10==7 || i/10==7)
			{
				System.out.println(i);
			}
			i++;
		}
	}
}
